26 to 50 of 125 Performance Optimisation Jobs in London

Platform (GCP) for Machine Learning, Machine Learning Algorithms, Machine Learning Operations, Microsoft Azure Data and AI, ML Frameworks, Model Evaluation, Model Training, Model Validation, Performance Optimizations, Software Development Life Cycle (SDLC) Why GSK? Uniting science, technology and talent to get ahead of disease together. GSK is a global biopharma ...

from technical design and development through to testing, deployment and ongoing platform optimisation. You'll combine project delivery with platform support, contributing to the performance, stability and continuous improvement of our Salesforce estate. Key Responsibilities Design, develop and implement scalable Salesforce solutions using Apex, Lightning Web Components (LWC), Salesforce … business requirements and translate them into robust technical designs and scalable Salesforce solutions. Refactor complex codebase architectures, improve code quality and optimise Salesforce platform performance and Governor Limits. Manage source control, deployments and release pipelines using Azure DevOps. Troubleshoot technical issues, resolve incidents and manage BAU requests as part ...

integration patterns Proficiency with CI/CD pipelines, version control and automated testing practices Skills in SQL, NoSQL or PostgreSQL database development and performance optimisation Familiarity with unit testing and integration testing approaches Ability to interpret architectural designs and apply technical standards to delivery Knowledge of secure coding … principles, performance and maintainability best practice Strong engineering capability, attention to detail and a quality-focused approach Effective collaboration with developers, analysts, architects and wider technology teams Structured problem-solving, accountability and a continuous-improvement mindset Ability to mentor and support junior and intermediate developers HOW TO APPLY ...

that support real-world trading strategies. As a senior member of the team, you will contribute both technically and strategically, helping shape development standards, performance optimisation, and system scalability. You will primarily work within a C#/.NET/SQL Server/ASP.NET ecosystem, developing high-performance, reliable, and maintainable applications. Key ResponsibilitiesDesign, develop, and maintain high-performance applications in C# and .NETLead architectural discussions and contribute to technical directionBuild scalable, reliable systems to support automated trading and researchDevelop and optimise database solutions (SQL Server or equivalent)Improve performance, reliability, and automation across systemsMentor ...

Designing data structures, feature sets, scoring methodologies, and model outputs Evaluating emerging AI technologies and analytical techniques for commercial application Supporting the launch and performance optimisation of data products Defining and monitoring key technical performance metrics, including model stability and data quality Producing insights, visualisations, and analytical ...

that support real-world trading strategies. As a senior member of the team, you will contribute both technically and strategically, helping shape development standards, performance optimisation, and system scalability. You will primarily work within a C#/.NET/SQL Server/ASP.NET ecosystem, developing high-performance, reliable, and maintainable applications. Key Responsibilities Design, develop, and maintain high-performance applications in C# and .NET Lead architectural discussions and contribute to technical direction Build scalable, reliable systems to support automated trading and research Develop and optimise database solutions (SQL Server or equivalent) Improve performance, reliability ...

data assets from legacy platforms into modern cloud-based environments. Deliver enterprise-grade data solutions within a highly regulated environment. Ensure data quality, integrity, performance, and security standards are met. Collaborate with technical and business stakeholders to translate requirements into effective data solutions. Troubleshoot production issues and implement sustainable … databases. Proven experience building and supporting enterprise data pipelines and integration solutions. Experience working within cloud-based data platforms. Strong understanding of data modelling, performance optimisation, and data quality controls. Desirable Experience Banking or Financial Services experience. Experience working within regulated environments. Exposure to Azure Data Platform services. ...

data assets from legacy platforms into modern cloud-based environments. Deliver enterprise-grade data solutions within a highly regulated environment. Ensure data quality, integrity, performance, and security standards are met. Collaborate with technical and business stakeholders to translate requirements into effective data solutions. Troubleshoot production issues and implement sustainable … databases. Proven experience building and supporting enterprise data pipelines and integration solutions. Experience working within cloud-based data platforms. Strong understanding of data modelling, performance optimisation, and data quality controls. Desirable Experience Banking or Financial Services experience. Experience working within regulated environments. Exposure to Azure Data Platform services. ...

solution proposals, architecture options papers, and business cases to senior stakeholders and governance boardsLead architecture assurance and design authority reviews, ensuring solutions meet security, performance, resilience, and compliance requirementsDefine solution patterns and reference architectures for Oracle cloud workloads that can be reused across programmesManage technical risk throughout the solution … environments (11g, 12c, 19c and above) on-premises and in cloudManage Oracle Database Service deployments across OracleDB@Azure, OracleDB@AWS, and OracleDB@GCPPerform database performance tuning, patching, backup and recovery, and capacity planningManage Oracle RAC, Data Guard, and ASM environmentsSupport Oracle Advanced Security features including TDE, audit vault ...

understanding of data modelling, data warehousing and ETL development. Experience delivering cloud data solutions within AWS, Azure or GCP environments. Knowledge of Snowflake architecture, performance optimisation and cost management. Strong stakeholder management skills with the ability to communicate complex technical concepts to non-technical audiences. Experience leading engineering ...

delivering integration solutions and distributed systems, including REST APIs, microservices and event-driven architectures. A strong understanding of cloud-native architecture, scalability and performance optimisation. Experience with DevOps, CI/CD and Infrastructure as Code, with ARM, Bicep or Terraform being advantageous. A genuine interest in mentoring engineers ...

Platform (GCP) for Machine Learning, Machine Learning Algorithms, Machine Learning Operations, Microsoft Azure Data and AI, ML Frameworks, Model Evaluation, Model Training, Model Validation, Performance Optimizations, Software Development Life Cycle (SDLC) Why GSK? Uniting science, technology and talent to get ahead of disease together. GSK is a global biopharma ...

C++ Software Developer | Data InfrastructureLondon | C++ | Microservices | Distributed Systems | LinuxWe're looking for an experienced C++ Software Developer to build the high-performance data infrastructure that powers quantitative research and trading. You'll develop low-latency microservices responsible for processing, storing and delivering large-scale datasets, working alongside quantitative … researchers, data engineers and software engineers to build scalable, resilient systems where performance is critical. You'll bringMinimum 4+ years' commercial C++ developmentStrong Linux experienceMicroservices and/or asynchronous multithreaded applicationsExcellent debugging and performance optimisation skillsStrong software engineering fundamentals and clean coding practicesDegree in Computer Science, Engineering ...

alignment with enterprise architecture. Decompose business needs into services, APIs, domain models and delivery increments, documenting key architecture decisions and trade-offs. Design for performance, resilience, scalability, maintainability, interoperability and cost efficiencyAzure cloud engineeringDesign and implement cloud-native solutions on Microsoft Azure, selecting appropriate compute, integration, data, identity, security … pipelines using GitHub Actions and/or Azure Pipelines, including automated quality, security and deployment controls. Champion automated testing across unit, integration, contract, UI, performance and security testing, with measurable quality gates. Embed secure-by-design practices including threat modelling, dependency and secret scanning, secure coding, vulnerability remediation ...

workflows. Architect cloud-native backend systems and distributed AI services. Collaborate closely with Data Scientists to productionise Machine Learning and NLP models. Develop high-performance RESTful APIs and microservices for AI model serving. Drive system reliability, monitoring, observability and performance optimisation. Champion engineering best practices including CI/ ...

Join a leading global investment management business, building high-performance front-office applications that support portfolio managers, investment professionals and trading workflows. This is a high-impact engineering role combining hands-on full-stack development, scalable architecture and direct collaboration with front-office stakeholders. Senior Full Stack Software Engineer … PAYE Build technology at the heart of global investment management. Join a leading global investment management business, building high-performance front-office applications that support portfolio managers, investment professionals and trading workflows. This is a high-impact engineering role combining hands-on full-stack development, scalable architecture and direct ...

idempotency, backfills, and operational recovery. Experience with analytical or columnar databases such as ClickHouse or similar technologies. Knowledge of partitioning, materialised views, and query optimisation techniques. Experience with numerical and data processing libraries including NumPy, pandas, Polars, or Arrow. Understanding of performance optimisation, memory usage, multiprocessing ...

data, analytics and AI by creating more relevant, personalised and effective customer experiences. Our expertise spans customer insight, data strategy and platforms, advanced analytics, performance optimisation, and AI (including generative AI and agentic AI) transformation. You will join the Song AI & Data UK practice, within the AI & Modelling … cloud data platforms. Make key architectural decisions covering technology selection, integration patterns, build-versus-buy approaches, security, governance, performance and operational support. Lead multidisciplinary delivery teams of engineers, data scientists and AI specialists, providing technical direction from initial concept through to production deployment and optimisation. Design solutions that meet ...

handling, matching engines and market data services. Take ownership from initial design through implementation, testing and deployment. Are you passionate about building ultra-high-performance systems that operate at the heart of financial markets? Join a world-class engineering team responsible for one of Europe's largest pan-European … opportunity to solve complex technical challenges, influence system design, mentor talented engineers, and shape the future of modern electronic trading. Build High-Performance Trading Systems Design, develop and enhance low-latency C++ applications across five equities trading environments Deliver robust, scalable and production-ready solutions with a strong focus ...

Python skills, with hands-on expertise across Snowflake, including Snowpark, Snowpipe, Streams, Tasks and Dynamic Tables. Deep understanding of Snowflake architecture, data modelling, performance optimisation, security and governance. Experience with CI/CD, automated testing, Terraform, infrastructure as code and data observability. Strong stakeholder engagement skills, with experience ...

delivering Snowflake-based data platforms. Strong understanding of data architecture, data modelling and modern cloud data ecosystems. Expertise in Snowflake architecture, governance, security and performance optimisation. Strong SQL and data engineering background, with experience of Python highly beneficial. Experience working with AWS, Azure or GCP cloud platforms. Ability ...

collaborate with technical users, and help shape the future direction of a growing compute environment. The Role You'll be responsible for the administration, optimisation and ongoing development of a Linux-based HPC platform supporting demanding computational workloads across CPU and GPU environments. Working closely with end users … secure services while acting as a key technical expert for HPC infrastructure and operations. This role combines Linux systems engineering, platform administration, automation, performance optimisation and user engagement. You'll have the opportunity to influence infrastructure strategy, introduce new technologies and improve the overall user experience ...

Markets is seeking a Senior Low Latency Java Developer to join our Quantitative Strategies team within Pricing & Risk, working on our high-performance, high-frequency trading platform. Not sure what skills you will need for this opportunity Simply read the full description below to get a complete picture … critical. You will design and build ultra-low latency pricing and risk systems that directly power our global trading operations. If you thrive in performance critical environments and want your work to have real market impact, we would love to hear from you. Please note that this ...

engineering practices. ResponsibilitiesDesign, build, and maintain scalable iOS applications using Swift and modern frameworks such as SwiftUI.Contribute to the evolution of application architecture, ensuring performance, reliability, and maintainability. Collaborate with Product and Design to deliver high-quality, user-centric features. Identify and address performance bottlenecks, improving responsiveness … frameworks (e.g. SwiftUI, UIKit).Experience building and maintaining production-grade mobile applications. Solid understanding of mobile architecture patterns and best practices. Experience with performance optimisation, debugging, and memory management. Familiarity with testing frameworks, CI/CD pipelines, and mobile observability. Ability to contribute to technical discussions and influence ...

scoring, and model evaluation. RAG Architecture Experience designing Retrieval Augmented Generation solutions in document-intensive environments. Knowledge of chunking strategies, embedding model selection, retrieval optimisation, and cross-document reasoning. Experience defining and measuring retrieval quality metrics. Document Intelligence & NLP Delivery experience extracting structured information from unstructured and semi-structured … implementing semantic search solutions using Amazon OpenSearch Service. Knowledge of: Vector indexing and embedding storage k-NN search configuration Hybrid search (keyword + semantic) Performance optimisation for large-scale retrieval workloads Software Engineering Strong Python development experience within production environments. Experience with: LangChain LlamaIndex LangGraph or CrewAI ...